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-rw-r--r--worktree.c157
1 files changed, 87 insertions, 70 deletions
diff --git a/worktree.c b/worktree.c
index 77ff484d3e..af68b24f9d 100644
--- a/worktree.c
+++ b/worktree.c
@@ -111,9 +111,9 @@ struct worktree *get_linked_worktree(const char *id,
strbuf_strip_suffix(&worktree_path, "/.git");
if (!is_absolute_path(worktree_path.buf)) {
- strbuf_strip_suffix(&path, "gitdir");
- strbuf_addbuf(&path, &worktree_path);
- strbuf_realpath_forgiving(&worktree_path, path.buf, 0);
+ strbuf_strip_suffix(&path, "gitdir");
+ strbuf_addbuf(&path, &worktree_path);
+ strbuf_realpath_forgiving(&worktree_path, path.buf, 0);
}
CALLOC_ARRAY(worktree, 1);
@@ -376,32 +376,28 @@ done:
return ret;
}
-void update_worktree_location(struct worktree *wt, const char *path_)
+void update_worktree_location(struct worktree *wt, const char *path_,
+ int use_relative_paths)
{
struct strbuf path = STRBUF_INIT;
- struct strbuf repo = STRBUF_INIT;
- struct strbuf file = STRBUF_INIT;
- struct strbuf tmp = STRBUF_INIT;
+ struct strbuf dotgit = STRBUF_INIT;
+ struct strbuf gitdir = STRBUF_INIT;
if (is_main_worktree(wt))
BUG("can't relocate main worktree");
- strbuf_realpath(&repo, git_common_path("worktrees/%s", wt->id), 1);
+ strbuf_realpath(&gitdir, git_common_path("worktrees/%s/gitdir", wt->id), 1);
strbuf_realpath(&path, path_, 1);
+ strbuf_addf(&dotgit, "%s/.git", path.buf);
if (fspathcmp(wt->path, path.buf)) {
- strbuf_addf(&file, "%s/gitdir", repo.buf);
- write_file(file.buf, "%s/.git", relative_path(path.buf, repo.buf, &tmp));
- strbuf_reset(&file);
- strbuf_addf(&file, "%s/.git", path.buf);
- write_file(file.buf, "gitdir: %s", relative_path(repo.buf, path.buf, &tmp));
+ write_worktree_linking_files(dotgit, gitdir, use_relative_paths);
free(wt->path);
wt->path = strbuf_detach(&path, NULL);
}
strbuf_release(&path);
- strbuf_release(&repo);
- strbuf_release(&file);
- strbuf_release(&tmp);
+ strbuf_release(&dotgit);
+ strbuf_release(&gitdir);
}
int is_worktree_being_rebased(const struct worktree *wt,
@@ -577,12 +573,13 @@ int other_head_refs(each_ref_fn fn, void *cb_data)
* pointing at <repo>/worktrees/<id>.
*/
static void repair_gitfile(struct worktree *wt,
- worktree_repair_fn fn, void *cb_data)
+ worktree_repair_fn fn, void *cb_data,
+ int use_relative_paths)
{
struct strbuf dotgit = STRBUF_INIT;
+ struct strbuf gitdir = STRBUF_INIT;
struct strbuf repo = STRBUF_INIT;
struct strbuf backlink = STRBUF_INIT;
- struct strbuf tmp = STRBUF_INIT;
char *dotgit_contents = NULL;
const char *repair = NULL;
int err;
@@ -598,6 +595,7 @@ static void repair_gitfile(struct worktree *wt,
strbuf_realpath(&repo, git_common_path("worktrees/%s", wt->id), 1);
strbuf_addf(&dotgit, "%s/.git", wt->path);
+ strbuf_addf(&gitdir, "%s/gitdir", repo.buf);
dotgit_contents = xstrdup_or_null(read_gitfile_gently(dotgit.buf, &err));
if (dotgit_contents) {
@@ -615,18 +613,20 @@ static void repair_gitfile(struct worktree *wt,
repair = _(".git file broken");
else if (fspathcmp(backlink.buf, repo.buf))
repair = _(".git file incorrect");
+ else if (use_relative_paths == is_absolute_path(dotgit_contents))
+ repair = _(".git file absolute/relative path mismatch");
if (repair) {
fn(0, wt->path, repair, cb_data);
- write_file(dotgit.buf, "gitdir: %s", relative_path(repo.buf, wt->path, &tmp));
+ write_worktree_linking_files(dotgit, gitdir, use_relative_paths);
}
done:
free(dotgit_contents);
strbuf_release(&repo);
strbuf_release(&dotgit);
+ strbuf_release(&gitdir);
strbuf_release(&backlink);
- strbuf_release(&tmp);
}
static void repair_noop(int iserr UNUSED,
@@ -637,7 +637,7 @@ static void repair_noop(int iserr UNUSED,
/* nothing */
}
-void repair_worktrees(worktree_repair_fn fn, void *cb_data)
+void repair_worktrees(worktree_repair_fn fn, void *cb_data, int use_relative_paths)
{
struct worktree **worktrees = get_worktrees_internal(1);
struct worktree **wt = worktrees + 1; /* +1 skips main worktree */
@@ -645,51 +645,38 @@ void repair_worktrees(worktree_repair_fn fn, void *cb_data)
if (!fn)
fn = repair_noop;
for (; *wt; wt++)
- repair_gitfile(*wt, fn, cb_data);
+ repair_gitfile(*wt, fn, cb_data, use_relative_paths);
free_worktrees(worktrees);
}
void repair_worktree_after_gitdir_move(struct worktree *wt, const char *old_path)
{
- struct strbuf path = STRBUF_INIT;
- struct strbuf repo = STRBUF_INIT;
struct strbuf gitdir = STRBUF_INIT;
struct strbuf dotgit = STRBUF_INIT;
- struct strbuf olddotgit = STRBUF_INIT;
- struct strbuf tmp = STRBUF_INIT;
+ int is_relative_path;
if (is_main_worktree(wt))
goto done;
- strbuf_realpath(&repo, git_common_path("worktrees/%s", wt->id), 1);
- strbuf_addf(&gitdir, "%s/gitdir", repo.buf);
+ strbuf_realpath(&gitdir, git_common_path("worktrees/%s/gitdir", wt->id), 1);
- if (strbuf_read_file(&olddotgit, gitdir.buf, 0) < 0)
+ if (strbuf_read_file(&dotgit, gitdir.buf, 0) < 0)
goto done;
- strbuf_rtrim(&olddotgit);
- if (is_absolute_path(olddotgit.buf)) {
- strbuf_addbuf(&dotgit, &olddotgit);
- } else {
- strbuf_addf(&dotgit, "%s/worktrees/%s/%s", old_path, wt->id, olddotgit.buf);
+ strbuf_rtrim(&dotgit);
+ is_relative_path = ! is_absolute_path(dotgit.buf);
+ if (is_relative_path) {
+ strbuf_insertf(&dotgit, 0, "%s/worktrees/%s/", old_path, wt->id);
strbuf_realpath_forgiving(&dotgit, dotgit.buf, 0);
}
if (!file_exists(dotgit.buf))
goto done;
- strbuf_addbuf(&path, &dotgit);
- strbuf_strip_suffix(&path, "/.git");
-
- write_file(dotgit.buf, "gitdir: %s", relative_path(repo.buf, path.buf, &tmp));
- write_file(gitdir.buf, "%s", relative_path(dotgit.buf, repo.buf, &tmp));
+ write_worktree_linking_files(dotgit, gitdir, is_relative_path);
done:
- strbuf_release(&path);
- strbuf_release(&repo);
strbuf_release(&gitdir);
strbuf_release(&dotgit);
- strbuf_release(&olddotgit);
- strbuf_release(&tmp);
}
void repair_worktrees_after_gitdir_move(const char *old_path)
@@ -725,8 +712,10 @@ static int is_main_worktree_path(const char *path)
* won't know which <repo>/worktrees/<id>/gitdir to repair. However, we may
* be able to infer the gitdir by manually reading /path/to/worktree/.git,
* extracting the <id>, and checking if <repo>/worktrees/<id> exists.
+ *
+ * Returns -1 on failure and strbuf.len on success.
*/
-static int infer_backlink(const char *gitfile, struct strbuf *inferred)
+static ssize_t infer_backlink(const char *gitfile, struct strbuf *inferred)
{
struct strbuf actual = STRBUF_INIT;
const char *id;
@@ -747,12 +736,11 @@ static int infer_backlink(const char *gitfile, struct strbuf *inferred)
goto error;
strbuf_release(&actual);
- return 1;
-
+ return inferred->len;
error:
strbuf_release(&actual);
strbuf_reset(inferred); /* clear invalid path */
- return 0;
+ return -1;
}
/*
@@ -760,16 +748,14 @@ error:
* the worktree's path.
*/
void repair_worktree_at_path(const char *path,
- worktree_repair_fn fn, void *cb_data)
+ worktree_repair_fn fn, void *cb_data,
+ int use_relative_paths)
{
struct strbuf dotgit = STRBUF_INIT;
- struct strbuf realdotgit = STRBUF_INIT;
struct strbuf backlink = STRBUF_INIT;
struct strbuf inferred_backlink = STRBUF_INIT;
struct strbuf gitdir = STRBUF_INIT;
struct strbuf olddotgit = STRBUF_INIT;
- struct strbuf realolddotgit = STRBUF_INIT;
- struct strbuf tmp = STRBUF_INIT;
char *dotgit_contents = NULL;
const char *repair = NULL;
int err;
@@ -781,25 +767,25 @@ void repair_worktree_at_path(const char *path,
goto done;
strbuf_addf(&dotgit, "%s/.git", path);
- if (!strbuf_realpath(&realdotgit, dotgit.buf, 0)) {
+ if (!strbuf_realpath(&dotgit, dotgit.buf, 0)) {
fn(1, path, _("not a valid path"), cb_data);
goto done;
}
- infer_backlink(realdotgit.buf, &inferred_backlink);
+ infer_backlink(dotgit.buf, &inferred_backlink);
strbuf_realpath_forgiving(&inferred_backlink, inferred_backlink.buf, 0);
- dotgit_contents = xstrdup_or_null(read_gitfile_gently(realdotgit.buf, &err));
+ dotgit_contents = xstrdup_or_null(read_gitfile_gently(dotgit.buf, &err));
if (dotgit_contents) {
if (is_absolute_path(dotgit_contents)) {
strbuf_addstr(&backlink, dotgit_contents);
} else {
- strbuf_addbuf(&backlink, &realdotgit);
+ strbuf_addbuf(&backlink, &dotgit);
strbuf_strip_suffix(&backlink, ".git");
strbuf_addstr(&backlink, dotgit_contents);
strbuf_realpath_forgiving(&backlink, backlink.buf, 0);
}
} else if (err == READ_GITFILE_ERR_NOT_A_FILE) {
- fn(1, realdotgit.buf, _("unable to locate repository; .git is not a file"), cb_data);
+ fn(1, dotgit.buf, _("unable to locate repository; .git is not a file"), cb_data);
goto done;
} else if (err == READ_GITFILE_ERR_NOT_A_REPO) {
if (inferred_backlink.len) {
@@ -812,11 +798,11 @@ void repair_worktree_at_path(const char *path,
*/
strbuf_swap(&backlink, &inferred_backlink);
} else {
- fn(1, realdotgit.buf, _("unable to locate repository; .git file does not reference a repository"), cb_data);
+ fn(1, dotgit.buf, _("unable to locate repository; .git file does not reference a repository"), cb_data);
goto done;
}
} else {
- fn(1, realdotgit.buf, _("unable to locate repository; .git file broken"), cb_data);
+ fn(1, dotgit.buf, _("unable to locate repository; .git file broken"), cb_data);
goto done;
}
@@ -838,39 +824,35 @@ void repair_worktree_at_path(const char *path,
* in the "copy" repository. In this case, point the "copy" worktree's
* .git file at the "copy" repository.
*/
- if (inferred_backlink.len && fspathcmp(backlink.buf, inferred_backlink.buf)) {
+ if (inferred_backlink.len && fspathcmp(backlink.buf, inferred_backlink.buf))
strbuf_swap(&backlink, &inferred_backlink);
- }
strbuf_addf(&gitdir, "%s/gitdir", backlink.buf);
if (strbuf_read_file(&olddotgit, gitdir.buf, 0) < 0)
repair = _("gitdir unreadable");
+ else if (use_relative_paths == is_absolute_path(olddotgit.buf))
+ repair = _("gitdir absolute/relative path mismatch");
else {
strbuf_rtrim(&olddotgit);
- if (is_absolute_path(olddotgit.buf)) {
- strbuf_addbuf(&realolddotgit, &olddotgit);
- } else {
- strbuf_addf(&realolddotgit, "%s/%s", backlink.buf, olddotgit.buf);
- strbuf_realpath_forgiving(&realolddotgit, realolddotgit.buf, 0);
+ if (!is_absolute_path(olddotgit.buf)) {
+ strbuf_insertf(&olddotgit, 0, "%s/", backlink.buf);
+ strbuf_realpath_forgiving(&olddotgit, olddotgit.buf, 0);
}
- if (fspathcmp(realolddotgit.buf, realdotgit.buf))
+ if (fspathcmp(olddotgit.buf, dotgit.buf))
repair = _("gitdir incorrect");
}
if (repair) {
fn(0, gitdir.buf, repair, cb_data);
- write_file(gitdir.buf, "%s", relative_path(realdotgit.buf, backlink.buf, &tmp));
+ write_worktree_linking_files(dotgit, gitdir, use_relative_paths);
}
done:
free(dotgit_contents);
strbuf_release(&olddotgit);
- strbuf_release(&realolddotgit);
strbuf_release(&backlink);
strbuf_release(&inferred_backlink);
strbuf_release(&gitdir);
- strbuf_release(&realdotgit);
strbuf_release(&dotgit);
- strbuf_release(&tmp);
}
int should_prune_worktree(const char *id, struct strbuf *reason, char **wtpath, timestamp_t expire)
@@ -1031,3 +1013,38 @@ cleanup:
free(main_worktree_file);
return res;
}
+
+void write_worktree_linking_files(struct strbuf dotgit, struct strbuf gitdir,
+ int use_relative_paths)
+{
+ struct strbuf path = STRBUF_INIT;
+ struct strbuf repo = STRBUF_INIT;
+ struct strbuf tmp = STRBUF_INIT;
+
+ strbuf_addbuf(&path, &dotgit);
+ strbuf_strip_suffix(&path, "/.git");
+ strbuf_realpath(&path, path.buf, 1);
+ strbuf_addbuf(&repo, &gitdir);
+ strbuf_strip_suffix(&repo, "/gitdir");
+ strbuf_realpath(&repo, repo.buf, 1);
+
+ if (use_relative_paths && !the_repository->repository_format_relative_worktrees) {
+ if (upgrade_repository_format(1) < 0)
+ die(_("unable to upgrade repository format to support relative worktrees"));
+ if (git_config_set_gently("extensions.relativeWorktrees", "true"))
+ die(_("unable to set extensions.relativeWorktrees setting"));
+ the_repository->repository_format_relative_worktrees = 1;
+ }
+
+ if (use_relative_paths) {
+ write_file(gitdir.buf, "%s/.git", relative_path(path.buf, repo.buf, &tmp));
+ write_file(dotgit.buf, "gitdir: %s", relative_path(repo.buf, path.buf, &tmp));
+ } else {
+ write_file(gitdir.buf, "%s/.git", path.buf);
+ write_file(dotgit.buf, "gitdir: %s", repo.buf);
+ }
+
+ strbuf_release(&path);
+ strbuf_release(&repo);
+ strbuf_release(&tmp);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-30 16:27:13 +0100